Exhaust Manifold w/ Catalytic Converter For 2002-2006 Nissan Altima 2.5L NEW

Exhaust Manifold with Catalytic Converter for Nissan

This exhaust manifold with integrated catalytic converter is a direct-fit emissions component for 2002 through 2006 Nissan Altima 2.5L models, replacing the factory manifold and converter in one assembly.

Overview

This exhaust manifold with catalytic converter is designed to route exhaust gases away from the engine while reducing harmful emissions on 2002 through 2006 Nissan Altima 2.5L vehicles. Combining both parts in a single unit simplifies replacement when the original manifold cracks or the converter fails. This exhaust manifold with catalytic converter is a practical solution for daily drivers and shops handling emissions repairs.

Built For Performance

• Integrated manifold and catalytic converter in one bolt-on assembly
• Cast construction engineered to withstand high exhaust temperatures
• Mandrel-style runners promote smooth exhaust flow
• Precise mounting flange matches factory bolt pattern
• Catalyst substrate designed to meet emissions requirements for the listed application

Fits These Machines

• for Nissan Altima 2.5L 2002
• for Nissan Altima 2.5L 2003
• for Nissan Altima 2.5L 2004
• for Nissan Altima 2.5L 2005
• for Nissan Altima 2.5L 2006

On-The-Job Use

• Replacing a cracked or leaking factory exhaust manifold
• Correcting failed emissions tests caused by a worn converter
• Restoring exhaust flow and reducing engine bay noise
• Servicing daily-driven Altima sedans with high mileage

Specs At A Glance

Good To Know

Q: Is this a direct replacement for the factory unit? A: Yes, this exhaust manifold with catalytic converter is designed to bolt up in place of the original assembly on the listed Altima 2.5L models.

Q: Can I install this myself? A: Installation requires basic hand tools and attention to the exhaust flange and oxygen sensor connections, so moderate mechanical experience is recommended.

Shipping Restriction: Due to emissions regulations, this item cannot be sold or shipped to California, Colorado, Maine, or New York.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.